Biblical: Several terms derived from drang po/ convey the idea of faithful in the sense of right, sincere, true, or honest: 1) drang po/ honest, righteous: nga'i gces phrug drang po ti mo the'u/ my dear son Timothy, who is faithful (1 Cor. 4:17), zhabs tog pa drang po/ a faithful servant (Eph. 6:21), dpang po drang po/ [Jesus Christ] the faithful witness (Rev. 1:5); 2) blo drang ba/ [lit. mind + sincere], faithful: nga blo drang po yin par rtsis nas/ considered me faithful (1 Tim. 1:12), blo drang ba'i bla chen/ a faithful high priest (Heb. 2:17); 3) sems drang po/ or thugs drang po/ [hon.] honest, righteous, faithful: gtso bo'i ngang na zhabs tog pa sems drang po/ a faithful servant in the Lord (Eph. 6:21 SV), mdzad pa po thugs drang po la 'bul bar byos/ commit themselves to their faithful Creator (1 Pet. 4:19 SV).
[lit. not to break a promise or a vow]
Biblical: faithful to one's word, reliable, dependable: khyed bos pa'i dkon mchog ni dam bcas pa las mi 'gal bas de bzhin du sgrub par 'gyur ro/ the one who calls you is faithful and he will do it (1 Thes. 5:24 SV), bla ma chen po brtse ba dang ldan zhing dam bcas pa las mi 'gal ba zhig a merciful and faithful high priest (Heb. 2:17 SV), mo she ni khong gi pho brang thams cad kyi nang na dam bcas pa las ma 'gal ba ltar/ as Moses was faithful in all God's house (Heb. 3:2 SV), zhal bzhes mdzad mkhan ni dam bcas pa las 'gal ba ma lags pas/ he who promised is faithful (Heb. 10:23 SV), dpang po dam bcas pa las mi 'gal zhing bden pa/ the faithful and true witness (Rev. 3:14 SV).
Cognates: dam bcas pa las 'gal ba/ faithless blo gros med pa dang /,,dam bcas pa las 'gal ba/ [they are] they are senseless [and] faithless (Rom. 1:31 SV).
[lit. not to go back on one's word]
Biblical: true to what one has promised, faithful: dkon mchog ni bka' las mi 'gal te/ God is faithful (1 Cor. 1:9 SV), ma shi ka'i g.yog po bka' la mi 'gal ba zhig yin/ a faithful minister of Christ (Col. 1:7 SV), ma shi ka ye shu nga bka' las mi 'gal bar dgongs/ Christ Jesus considered me faithful (1 Tim. 1:12 SV), khong ni rang gi bka' las mi 'gal zhing thugs drang po lags pas/ He is faithful and just (1 Jn. 1:9 SV).
Cognates: bka' las 'gal/ faithless nga tsho bka' las 'gal na/ if we are faithless (2 Tim. 2:13 SV).
[lit. not to go beyond one's word]
Biblical: faithful: dkon mchog gis bka' las mi 'da' ste/ God is faithful (1 Cor. 10:13 SV), dkon mchog ni rang gi bka' las mi 'da' bas/,,nged kyis khyod cag la smras pa ni yin min gyi gtam ma yin no/ as surely as God is faithful, our message to you is not "Yes" and "No" (2 Cor. 1:18 SV).
[lit. change + not]
Biblical: unchanging, constant, faithful: khong 'gyur med dang drang po lags pas/ He is faithful and just (1 Jn. 1:9), nga tsho 'gyur kyang khong mi 'gyur/ though we change, he remains faithful (2 Tim. 2:13), 'gyur ba med pa'i mdzad pa po/ faithful Creator (1 Pet. 4:19), der 'chibs mkhan la mi 'gyur ba dang bden pa zhu'o/ its rider was called faithful and true (Rev. 19:11).
Biblical: steadfast, firm, unwavering: smon lam la brtan par gnas shig be faithful in prayer (Rom. 12:12), 'chi ba la thug kyang brtan por gnas shig be faithful, even to the point of death (Rev. 2:10).
[lit. tempt, seduce + not]
Biblical: not deceptive; trustworthy, dependable, reliable: gtso bo ni slu med lags pas/ the Lord is faithful (2 Thes. 3:3), dkon mchog slu med lags pa ltar/ as God is faithful (2 Cor. 1:18).
Buddhist: The Bst. god Chenresi is described as bslu ba med pa/ meaning that he is not deceptive, but trustworthy. When one "takes refuge", the object of faith should be something which is bslu med pa/ (KTM).