Используйте «landman» в предложении

1. His days as a petroleum landman in East Texas taught him the value of a shoe leather and handshake approach to information gathering

2. Swann was recruited to be a petroleum “landman

3. Bush started out as a landman, as did the father of billionaire T

4. It wasn’t just investigating skills that Swann acquired; as a petroleum landman he also learned how to negotiate