Charlotte Laurin

Laurin is a a member of the Big Mom Pirates.

Whole Cake Island Arc
Laurin attended the tea party and wedding between Vinsmoke Sanji and Charlotte Pudding, where he took part in Big Mom's plan to assassinate the Vinsmoke Family.

Trivia

 * His name may be a reference to lauric acid (known as ラウリン酸 raurinsan in Japanese), which is a major compotent of coconut milk and coconut oil. Laurin is also the name of a specific brand of coconut oil. This fits with the food-themed names of the Charlotte Family and Big Mom Pirates.