Chancer and Fluky

Chancer noun - A person who dexterously and expediently changes or adopts opinions.

Fluky and chancer are semantically related. in accidental topic. In some cases you can use "Fluky" instead an adjective "Chancer".

Fluky adjective - Coming or happening by good luck especially unexpectedly.

Chancer and fluky are semantically related. Sometimes you can replace term "Chancer" with "Fluky", this adjectives are similar.