This is the 17572nd most frequent Russian word.
трудится
"Трудится" means "to work hard" or "to labor."
Here, 'трудится' means 'works hard' and emphasizes the diligent effort in his daily tasks.
Он трудится с утра до вечера.
He works hard from morning till evening.
In this context, 'трудится' is used to describe her dedicated effort towards achieving a specific task.
В поте лица она трудится над своим проектом.
She is working hard on her project.
The word 'трудится' here conveys a group effort for a noble cause or community service.