cooperator
/kəʊˈɒpəreɪtər/Definitions
1. noun
One who cooperates; a person or organization that works together with others to achieve a common goal or accomplish something.
“The company’s cooperator in the research project was a leading academic institution.”
2. noun
A person or organization that shares the costs or risks of an undertaking with others.
“The government was a cooperator in the construction of the new highway.”
3. noun
A person who cooperates with an authority, especially the police, in providing information or evidence about a crime.
“The cooperator in the police investigation was rewarded for their bravery.”
4. verb
to work together with others to achieve a common goal or accomplish something.
“The two companies are cooperating to develop a new product line.”