hesitater
he·si·ta·ter
noun
1.
one who hesitates (uaually out of fear)
Origin
From hesitate + -er.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.