In 'the man who came', 'who' is a relative pronoun and 'who came' is a relative clause.

在the man who came中，who是关系代词，而who came是关系从句。

《牛津词典》

A relative pronoun is also used to join two sentences together.

关系代词也用来把两个句子结合起来。

youdao

What is the relative pronoun in this clause?

这个从句里的关系代词是什么？

youdao