Simran Jeet Singh is a professor of religion at Trinity University in San Antonio, Texas.
He has nearly 45,000 followers on Twitter, which is a lot.
This is partly thanks to the fact he's been tweeting more politically. With this has come criticism, as is to be expected in political debate, but he has also been subjected to unacceptable racist and hateful abuse.
His mother, Parvinder Kaur, has recently joined Twitter.
Here she is:
For those wondering, that's my mama in the middle. She knows that ball is life. https://t.co/A5yqTjGLk3