This is the 224th most frequent Chinese word.
男子
"男子" means "man" or "male."
Here, '男子' refers to a male individual and is used in a descriptive manner to denote a young man.
一位年轻的男子走进了教室。
A young man walked into the classroom.
'男子' is used here to specifically indicate a male person participating in a context like a competition.
那名男子在比赛中表现出色。
That man performed outstandingly in the competition.
In this sentence, '男子' forms part of a term referring to events designated for male participants.