Question: Who is Australia's current assistant Minister for Immigration and Border Protection, and a Liberal MP for north-west Sydney?

Context articles: Nauru Regional Processing Centre
Mark Gerretsen
Losena Salabula
Migration Agents Registration Authority
Minister for Immigration and Border Protection
Alex Hawke
Peter Dutton
Australian Border Force
James McGrath (Australian politician)
Scott Morrison

The Nauru Regional Processing Centre is one of many offshore Australian immigration detention facilities, located on the South Pacific island nation of Nauru.
 The centre is operated by Broadspectrum (formerly Transfield Services) on behalf of the Department of Immigration and Border Protection a department of the Government of Australia that is responsible for immigration, citizenship and border control.
 The use of immigration detention facilities is part of a policy of mandatory detention in Australia.
Mark Gerretsen, {'1': ", '2': ", '3': ", '4': "} , (born June 5, 1975) is a Canadian politician and the current MP for Kingston and the Islands, he was previously mayor of Kingston, Ontario from 2010 to 2014.
 He was first elected in the 2010 municipal election.
 He did not run for re-election to a second term in the 2014 election.
 He instead ran in the 2015 federal election and was elected as the Liberal MP for Kingston and the Islands, replacing first-term Liberal MP Ted Hsu, who chose not to seek re-election.
Losena Tubanavau Salabula is a former Fijian politician, who served in the Cabinet as Minister of State in the Prime Minister's Office.
 In this role, she undertook assignments on behalf of the Prime Minister, Laisenia Qarase.
 Prior to assuming this post in May 2006, she was Assistant Minister for Women, Assistant Minister for Social Welfare and Poverty Alleviation, and Assistant Minister in the Prime Minister's Office.
The Office of the Migration Agents Registration Authority (OMARA) is an Australian Government authority that registers migration agents and regulates the Migration Agents profession.
 Migration agents assist people to migrate to Australia by using their knowledge of Australian visas and immigration law to complete necessary visa applications and represent them in dealings with the Department of Immigration and Border Protection (previously the Department of Immigration and Citizenship), the Tribunals, The Minister, Federal Courts and High Courts of Australia.
The Australian Minister for Immigration and Border Protection is the Hon. Peter Dutton {'1': ", '2': ", '3': ", '4': "} .
 The current Assistant Minister for Immigration and Border Protection is the Hon. Alex Hawke {'1': ", '2': ", '3': ", '4': "}
Alexander George Hawke MP (born 9 July 1977), an Australian politician, is a member of the Australian House of Representatives representing Mitchell, in north-western metropolitan Sydney, for the Liberal Party of Australia since 2007.
 Hawke is a former national and state president of the Young Liberals.
 In September 2015, Hawke was promoted to Assistant Minister to the Treasurer in the First Turnbull Ministry.
 He was appointed Assistant Minister to the Minister for Immigration and Border Protection following the re-election of the Turnbull Government and was sworn in on 19 July 2016.
Peter Craig Dutton (born 18 November 1970), Australian politician, has been a Liberal member of the Australian House of Representatives representing the Division of Dickson, Queensland since the November 2001 federal election when he defeated high-profile sitting Labor member Cheryl Kernot.
 Dutton was the Minister for Health and the Minister for Sport from 18 September 2013 and Minister for Immigration and Border Protection from 21 December 2014 in the Abbott Government.
 Dutton retained his portfolio in the Turnbull Government.
 On 18 July 2017, he was named Minister for Home Affairs, a newly created portfolio giving him oversight of ASIO, the AFP and Border Force.
 He previously served as the Minister for Workforce Participation and Minister for Revenue and Assistant Treasurer in the Howard Government.
 Dutton has been touted as a future Liberal leader.
The Australian Border Force (ABF), is a part of the Department of Immigration and Border Protection, responsible for offshore and onshore border control enforcement, investigations, compliance and detention operations in Australia.
 The Force was established on 1 July 2015 merging the Australian Customs and Border Protection Service with the immigration detention and compliance functions of the Department of Immigration and Border Protection.
James McGrath (born 14 May 1974) is an Australian politician.
 He was elected to the Australian Senate representing the state of Queensland for the Liberal National Party at the 2013 federal election.
 He has been an Assistant Minister to the Prime Minister in the First Turnbull Ministry, since September 2015, and Assistant Minister to the Minister for Immigration and Border Protection since February 2016.
Scott John Morrison (born 13 May 1968) is an Australian politician.
 He has been a Liberal Party member of the Australian House of Representatives representing the Division of Cook in New South Wales since the 2007 federal election.
 After the Liberal Party was elected to government at the 2013 federal election, Morrison was appointed the Minister for Immigration and Border Protection, responsible for implementing Operation Sovereign Borders, aimed at preventing people smuggling.
 In late 2014 he was appointed Minister for Social Services after a cabinet reshuffle.
 He became the Treasurer of Australia in the First Turnbull Ministry.