Go-getter and Upstart

Go-getter noun - An ambitious person who eagerly goes after what is desired.

Upstart and go-getter are semantically related. In some cases you can use "Upstart" instead a noun phrase "Go-getter".

Upstart noun - One who has recently acquired wealth and social position.

Go-getter and upstart are semantically related. Sometimes you can use "Go-getter" instead a noun "Upstart".