Emunah can mean faithfulness, firmness, reliability, steadfastness, or fidelity.
It is closely related to the Hebrew concept of trustworthiness.
Tanakh Usage
The word often describes God's faithfulness.
See:
• Deuteronomy 32:4
• Psalm 33:4
• Psalm 92:2
It can also describe human faithfulness.
Habakkuk
Habakkuk 2:4 famously states:
"The righteous shall live by his faith."
The Hebrew emunah can carry the sense of faith or faithfulness.
This verse becomes important in:
• Romans 1:17
• Galatians 3:11
• Messiah's priesthood, sacrifice, covenant mediation, and heavenly ministry.">Hebrews 10:38
Faith and Faithfulness
The Hebrew background helps demonstrate that biblical trust is relational and enduring. Faith and faithfulness should not be artificially separated.