Rodolphus had a notion over what Adrian was thinking. He wasn't foolish like Voldemort had been - he was well aware that friendships and relationships had great influence over a person's mind, and a disregard for that could lead to dissatisfaction.
"You are aware that if you continue to do well, then you will be granted the ability to provide protection for a few that you wish." The offer was a tentative one, as Adrian could never oppose one of Rodolphus' main targets. Regardless, it was something. Rodolphus was in a strangely good mood this evening.