Simplify the following text for a Grade 11 native English-speaking person.
Original: He was a Freemason but also an outstanding Orangeman , becoming Grandmaster of the Orange Order of British North America , 1870 â `` 1878 .
Simplified: He was a Freemason and an Orangeman , becoming Grandmaster of the Orange Order of British North America , 1870 â `` 1878 .