Turncloak vs. Turncoat — What's the Difference?

(rare) turncoat

A turncoat is a person who shifts allegiance from one loyalty or ideal to another, betraying or deserting an original cause by switching to the opposing side or party. In political and social history, this is distinct from being a traitor, as the switch mostly takes place under the following circumstances: In groups, often driven by one or more leaders.

One who traitorously switches allegiance.

A traitor; one who turns against a previous affiliation or allegiance.

To act as a turncoat; to betray

One who forsakes his party or his principles; a renegade; an apostate; a defector to the enemy.

A disloyal person who betrays or deserts his cause or religion or political party or friend etc.