1) Coward 2) Fence sitter 3) Hesitater 4) Hesitator 5) One who goes back and forth 6) One who hesitates 7) Vacillator 1) Hesitater 2) Hesitator 3) Vacillator 
young tree left standing when the coppice wood has been cut (P 205)
• (n.) One who wavers; one who is unsettled in doctrine, faith, opinion, or the like.
young tree left standing when the coppice wood has been cut (P 205)
Wa'ver·er noun One who wavers; one who is unsettled in doctrine, faith, opinion, or the like. Shak. 
[n] - one who hesitates (uaually out of fear)
vacillator noun one who hesitates (usually out of fear)