One using soft soap

• Encourager
• Persuasive sort
• Sweet talker
• One on a ladder, to a kitten up a tree
• Cajoling one
• Encouraging sort

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Coaxer \Coax"er\, n. One who coaxes.

Wiktionary Word definitions in Wiktionary
n. A person who coaxes

WordNet Word definitions in WordNet
n. someone who tries to persuade by blandishment and coaxing [syn: wheedler ]