Big-timer and Gasbag

Big-timer noun - One of high position or importance within a group.

Gasbag and big-timer are semantically related in braggart topic. In some cases you can use "Gasbag" instead a noun phrase "Big-timer", when it comes to topics like person who talks boastingly.

Gasbag noun - A person who talks constantly.

Big-timer and gasbag are semantically related in braggart topic. You can use "Big-timer" instead a noun "Gasbag", if it concerns topics such as person who talks boastingly.