Somebody with whom one works, coworker, colleague.
A companion; a comrade.
One that habitually accompanies or is associated with another; an attendant circumstance.
A person united with another or others in an act, enterprise, or business; a partner.
One of a pair of elements of an integral domain (or a ring) such that the two elements are divisible by each other (or, equivalently, such that each one can be expressed as the product of the other with a unit).
A member of an institution or society who is granted only partial status or privileges.
Joined with another or others and having lower status.
Having partial status or privileges.
Following or accompanying; concomitant.
To connect or join together; combine.
To join as a partner, ally, or friend.
To endorse.
To join in or form a league, union, or association.
To spend time socially; keep company.
To be associative.
To connect evidentially, or in the mind or imagination.
A person who works with others towards a common goal.
A person who cooperates traitorously with an enemy.