ally
n//əˈlaɪ//allierad, bundsförvant, alliera
A person who, or organization which, supports a demographic group subject to discrimination and/or misrepresentation but is not a member of the group; specifically (LGBTQ) , a person who is not a member of the LGBT+ community but is supportive of it.
(figuratively) A person, group, concept, etc., which is associated with another as a helper; an auxiliary; a supporter.
A person, group, state, etc., which is associated or united by treaty with another for a common (especially military or political) purpose; a confederate.
To unite or form a connection between (people or things), as between families by marriage, or between states by confederacy, league, or treaty.