ally in French

A person, group, state, etc., which is associated or united by treaty with another for a common (especially military or political) purpose; a confederate.

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.