Question: What is the ethnic background of this American educator and politician from the Democratic Party who was re-elected as a US senator representing Hawaii in 1994?

Context articles: Ioan Talpeș
Daniel Akaka
United States Senate election in Hawaii, 1994
William F. Knowland
Mao Arukwe Ohuabunwa
Rose Okoji Oko
Makani Christensen
Samuel Lightfoot Flournoy
Jeffrey D. Klein
Electoral history of George McGovern

Ioan Talpeș (born August 24, 1944 - dead September 30, 2017) is a Romanian Army general, military historian and politician.
 He served as head of the Romanian Foreign Intelligence Service (SIE) from 1992 to 1997.
 In 1997-8, Talpeș served as Ambassador to Bulgaria and acted as an advisor to President Ion Iliescu from 1999 to 2000.
 He is currently an independent Senator representing Caraş-Severin County, having resigned from the Social Democratic Party (PSD) in May 2005 because of a scandal involving the party.
Daniel Kahikina Akaka ( ; born September 11, 1924) is an American educator and politician who was a United States Senator from Hawaii from 1990 to 2013.
 A member of the Democratic Party, Akaka was the first U.S. Senator of Native Hawaiian ancestry.
The 1994 United States Senate election in Hawaii took place on November 8, 1994.
 Incumbent Democratic U.S. Senator Daniel Akaka won re-election to his first full term.
William Fife Knowland (June 26, 1908 – February 23, 1974) was an American politician, newspaper publisher, and Republican Party leader.
 He was a US Senator representing California from 1945 to 1959.
 He served as Senate Majority Leader from August, 1953 to January, 1955 after the death of Robert A. Taft.
Senator Mao Arukwe Ohuabunwa (born 24 May 1957) is a Nigerian politician, businessman and currently a serving Senator representing Abia North Senatorial District in the 8th National Assembly having served in the 4th and 5th National Assembly as Member representing Arochukwu/Ohafia constituency of Abia State under the People's Democratic Party between 1999 to 2007.
Rose Okoji Oko (born 27 September 1956) is a Nigerian politician and senator.
 She was a Member of the Federal House of Representatives from the ruling People's Democratic Party (PDP), serving the people of Yala/Ogoja Federal Constituency in Nigeria’s 7th class of the National Assembly.
 She was elected into office as the first female representative from her constituency in June 2011 and sat as Deputy Chairman House Committee on Education.
 She is the current Senator representing the people of Cross River North Senatorial District.
 She was elected into office as the first female representative from her Senatorial District in June 2015.
Makani Christensen is a Democratic Party candidate for U.S. senator, representing Hawaii.
 He is the current chair of the Oʻ ahu Aha Moku Advisory Committee, of which advises the state of Hawaii.
 He is a combat Veteran of both Iraq and Afghanistan, and a graduate of the United States Naval Academy.
Samuel Lightfoot Flournoy (November 25, 1846 – January 28, 1904) was an American lawyer, politician, and businessperson in the U.S. state of West Virginia.
 Flournoy served as a state senator representing the 12th Senatorial District in the West Virginia Senate (1885–1890) and served three terms as mayor of Romney, West Virginia.
 Flournoy unsuccessfully ran as a candidate for the West Virginia Democratic Party gubernatorial nomination in 1900.
Jeffrey David Klein (born July 10, 1960) is a New York State Senator representing parts of Bronx and Westchester Counties.
 He was elected to his first term in the Senate in 2004.
 Though he is a member of the Democratic Party, he is the leader of the Independent Democratic Conference, a group of eight Democratic state senators who oppose the mainstream Democratic conference leadership.
 Klein and his colleagues have reached a power-sharing agreement with the Republican Party in the Senate.
George McGovern, a Democratic Party politician from South Dakota, was first elected to the United States House of Representatives to represent South Dakota's 1st congressional district in 1956.
 He was re-elected in 1958, before making an unsuccessful run for the United States Senate in 1960 against Republican incumbent Karl Earl Mundt.
 After serving in the John F. Kennedy administration as director of the Food for Peace program, McGovern ran again for the Senate and narrowly prevailed over appointed Senator Joseph H. Bottum.
 In 1968, McGovern unsuccessfully sought the Democratic Party's presidential nomination at the Democratic National Convention and was re-elected to the Senate over former Governor of South Dakota Archie M. Gubbrud.
 In 1972, McGovern was successful in his campaign for the Democratic presidential nomination, but lost the election in a landslide to incumbent President Richard Nixon.
 McGovern was re-elected to the Senate in 1974 over Vietnam War veteran Leo K. Thorsness, but lost re-election in 1980 to then-U.S. Representative James Abdnor.
 McGovern made a final unsuccessful run for president in United States presidential election, 1984.