achiever
nounUK /əˈtʃiːvə/
US /əˈtʃiːvər/
An achiever is someone who works hard and gets things done.
She is a real achiever who always finishes her school projects on time.
RELATED WORDS
OTHER MEANINGS
2. A person who reaches a high level in school, sports, or work.
He was named top achiever in his class.
3. Someone who completes a difficult task or goal.
The team of achievers finished the charity run.
4. A student who earns good grades through hard work.
The school gave awards to its best achievers.