Noun. 1. striver - one who is industrious and diligent in carrying out tasks or duties. hard worker. worker - a person who works at a specific occupation; "he is a good worker"
To exert much effort or energy; endeavor. 2. To struggle or fight forcefully; contend: strive against injustice. [Middle English striven, from Old French estriver, from estrit, estrif, quarrel; see strife.] striv′er n.
to make strenuous efforts toward any goal: to strive for success. to contend in opposition, battle, or any conflict; compete. to struggle vigorously, as in opposition or resistance: to strive against fate.