steersman (n.)

• agent
• cicerone
• conductor
• courier
• cowherd
• cox
• coxswain
• dragoman
• driver
• drover
• engineer
• functionary
• goatherd
• guide
• guidepost
• handler
• helmsman
• herd
• herdsman
• manipulator
• mercury
• navigator
• operative
• operator
• pilot
• pointer
• runner
• shepherd
• steerer