Words similar to who

Example sentences for: who

How can you use “who” in a sentence? Here are some example sentences to help you improve your vocabulary:

Stated otherwise, the task that I think remains is to translate the language and sentiments of those within the Internet culture so that their positions can be better understood by those of us who do not yet understand what is so distinctive and special about the Net.
On the environment, Alexander calls himself a Teddy Roosevelt Republican who advocates spending more on National Parks.
Lest one might be deceived into taking the preceding to be a pleasantry, even as late as 1909 (at seventy-four), Skeat's contempt for those who knew less than he was undiminished:
Bob Barr, R-Ga., who looks explosive even in repose, has turned an even beetier shade of red than usual.
Who said this about what?