something that you give or offer to achieve an aim, usually with other people involved -
Intended to help someone or improve understanding -
Men who do not marry and usually live together in a monastery - ​

1.  contribution

2. constructive

3. monk

Объяснение:

a contribution - something that you contribute or do to help produce or achieve something together with other people, or to help make something successful

constructive - intended to help someone or improve understanding

a monk - a member of a group of religious men who do not marry and usually live together in a monastery