Third-level cadres. According to Cailadder.com's inquiry, the ranking letters of trust guarantee funds are trust assistant (level 5), trust specialist (level 4), trust manager (level 3), senior trust manager (level 2) and senior trust manager (1 level) in turn, and the top trust guarantee fund is level 3 trust manager. Trust guarantee fund refers to the common funds raised by all participants in the trust market to solve various trust risks.