It is a common opinion in this small south German town of 12,000, where his employees and residents saw Mr. Merckle as a decent, taciturn man who looked after his workers and his community, despite his wealth. He was No. 94 on Forbes magazine’s most recent ranking of the 400 richest people in the world.
saying little, especially habitually:
He's a reserved, taciturn person.
Habitually untalkative. See synonyms at silent.