Siddiq
Siddiq is an Arabic term meaning "truthful" or "trustworthy." It is used as an epithet, as a given name, and as a surname in Muslim communities, with transliteration variants such as Siddique, Siddiq, Sidique, and Sidik.
In Islamic tradition, as-Siddiq is most commonly associated with Abu Bakr, the first caliph of the Rashidun
The name Siddiq is used beyond Abu Bakr to describe the quality of truthfulness in a believer.