What is the meaning of أمين?

reliable, trustworthy, loyal, responsible

upright, honest

faithful, true, truthful, authentic, honest, sincere, trusty, dependable

safe, secure

innocuous, harmless

The archangel Gabriel

secretary

authorized representative, agent

trustee, trusted person

chief, head, superintendent

curator, custodian, sponsor, chamberlain

guarantor

a male given name, Ameen or Amin

dual of أُمّ (ʔumm)

Source: wiktionary.org