You use fellow to describe people who are in the same situation as you, or people you feel you have something in common with.
She discovered to her pleasure, a talent for making her fellow guests laugh.
她高兴地发现她有一种能逗笑其他客人的本事。
fellows
A fellow is a man or boy.
By all accounts, Rodger would appear to be a fine fellow.
根据大家的说法,罗杰应该是个好小伙儿。
A fellow of an academic or professional association is someone who is a specially elected member of it, usually because of their work or achievements or as a mark of honour.
the fellows of the Zoological Society.
动物协会的特别会员们。
Your fellows are the people who you work with, do things with, or who are like you in some way.
He stood out in terms of competence from all his fellows.
他在能力方面远胜于他所有的同事。