Synonyms of the word

collaborator

• n. A person who works with others towards a common goal.
• n. A person who cooperates traitorously with an enemy.

accessary

• n. (law) Someone who accedes to some act, now especially a crime; one who contributes as an assistant or…
• adj. (law) Accompanying as a subordinate; additional; accessory; especially, uniting in, or contributing to,…

accessory

• adj. Having a secondary, supplementary or subordinate function by accompanying as a subordinate; aiding in…
• adj. (law) Assisting a crime without actually participating in committing the crime itself.
• adj. Present in a minor amount, and not essential.
• n. Something that belongs to part of another main thing; something additional and subordinate, an attachment.
• n. (fashion) An article that completes one's basic outfit, such as a scarf or gloves.
• n. (law) A person who is not present at a crime, but contributes to it as an assistant or instigator.
• n. (art) Something in a work of art without being indispensably necessary, for example solely ornamental…

associate

• adj. Joined with another or others and having equal or nearly equal status.
• adj. Having partial status or privileges.
• adj. Following or accompanying; concomitant.
• adj. (biology, dated) Connected by habit or sympathy.
• n. A person united with another or others in an act, enterprise, or business; a partner.
• n. Somebody with whom one works, coworker, colleague.
• n. A companion; a comrade.
• n. One that habitually accompanies or is associated with another; an attendant circumstance.
• n. A member of an institution or society who is granted only partial status or privileges.
• v. (intransitive) To join in or form a league, union, or association.
• v. (intransitive) To spend time socially; keep company.
• v. (transitive) To join as a partner, ally, or friend.
• v. (transitive) To connect or join together; combine.
• v. (transitive) To connect evidentially, or in the mind or imagination.
• v. (reflexive, in deliberative bodies) To endorse.
• v. (mathematics) To be associative.
• v. (transitive, obsolete) To accompany; to be in the company of.

collaborationist

• n. One who collaborates, a collaborator.

confederate

• n. A member of a confederacy.
• n. An accomplice in a plot.
• n. (psychology) An actor who participates in a psychological experiment pretending to be a subject but in…
• adj. of, relating to, or united in a confederacy.
• adj. banded together; allied.
• v. To combine into a confederacy.

cooperator

• n. One who cooperates; an associate.

henchman

• n. A loyal and trusted follower or subordinate.
• n. A person who supports a political figure chiefly out of selfish interests.
• n. A member of a criminal gang.
• n. (obsolete) A page to a prince or other person of high rank.

pardner

• n. A friend or companion. (Used primarily in direct address to the same.).
• n. A partner.
• n. A local community banking co-op, often set up as an initiative for a social group unable to get formal…

partner

• n. Someone who is associated with another in a common activity or interest.
• n. (nautical) One of the pieces of wood comprising the framework which strengthens the deck of a wooden ship…
• n. (Jamaica) A group financial arrangement in which each member contributes a set amount of money over a…
• v. to make or be a partner.
• v. to work or perform as a partner.

quisling

• n. (pejorative) A traitor who collaborates with the enemy.

traitor

• n. One who violates his allegiance and betrays his/her country; one guilty of treason; one who, in breach…
• n. Hence, one who betrays any confidence or trust.
• v. To act the traitor toward; to betray; to deceive.
• adj. traitorous.

treasonist

• n. One who commits treason.