Dependable, reliable, trustworthy, faithful and steady are some of the words you want.
Trustworthy
Loyal
dedicated, devoted, faithful, loyal, zealous, chauvinistic, nationalistic
MONOGAMOUS : having a single spouse In the absence of actual marriage, the word has adopted the meaning "faithful to one mate", or not promiscuous. In this use, it could have synonyms faithful, steadfast, or loyal.
Trustworthy means "worthy of trust". Depending on the context, synonyms could be reliable, dependable, or loyal.
Devoted Faithful Dedicated True-hearted Trustworthy Committed
The word "trustworthy" means "worthy of trust". Depending on the context, it could have the synonyms reliable, dependable, steadfast, or loyal.
Synonyms for true (as in "not false") are real, factual, established, verified, legitimate, bona fide. Synonyms for true (as in "his aim was true") are accurate, on-target, precise. Synonyms for true (as in "a true friend") are loyal, steadfast, unwavering.
some antonyms 4 mutinous r; humble, faithful, loyal, obedient, and compliant. a few synonyms rebellious defiant, disloyal ,insubordinate , lawless, opposed, traitorous challenging, and resistant.
They are synonyms.
Synonyms
Relative and kin are synonyms.
more loyal, most loyal