stalwart

/ˈstɒl-/

noun

Meaning

One who has a strong build.
One who firmly supports a cause.
One who is dependable.

adjective

Meaning

Firmly or solidly built.
Courageous.
Determined; staunch.

Synonyms

bold,

brave,

courageous,

daring,

valiant,

firm,

resilient,

robust,

stout,

strong