Advisor - Советник

Definition: is a person who offers other people helpful advice.

Sentence - Our lawyers advise clients in the choice of entity to utilize for any given business venture

Colleague - Коллега

Definition: a person who is a partner of one's class, profession, or activity.

Sentence - They invite colleagues interested in presenting a paper to the panel

Attitude - Отношение

Definition: It's the manner, feeling or position regard to a person or thing

Sentence -We should avoid to express our negative attitude to our co-workers

Task - Задача

Definition: the work is assignment to someone

Sentence - My task is to finish my essay

Co-worker - Сотрудник

Definition - Someone you work with.

Sentence - My co-workers help me finish my work