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