stalwart

adjective3

1. •
   Firmly or solidly built.

   • This true Man soon assembled him beforn: / Three Sons he had that stalwart were and bold, / And twenty Men of Kin in his Houshold. — 1709
2. •
   Determined; staunch.
3. •
   Courageous.

   • Now Tomlins always acted as Morgan's major domo in tent or quarters, and was also a stalwart hand either against ox, sheep, or enemy. — 1842

noun3

1. •
   One who firmly supports a cause.
2. •
   One who is dependable.

   • The party's staunchest stalwarts constitute the President's redoubtable bulwark against the latter bribery accusations.
3. •
   One who has a strong build.

noun1

1. •
   (historical) A member of the former Stalwarts Republican party of the United States during the Gilded Age.