man of his word

“I believe he's a man of his word,” Evans told the BBC.

Of course, he's not exactly a man of his word so I wouldn't take that to the bank.

Donald Trump, she said, felt like a known quantity and like “a man of his word”, while Kamala Harris looked promising but still somewhat unknown.

"President Trump is a man of his word," she said.

Reacher is, if nothing else, a man of his word.