#theologian
- Adoptionist — An individual or theologian who adheres to the principles of adoptionism, asserting that Jesus Christ was a purely human being chosen and later adopted by God. As an adjective, the term characterizes a writing, argument, sectarian community, or dogmatic perspective promoting or incorporating elements of this non-trinitarian christology.
- Adoptionists — Members, adherents, or promoters of the doctrine of adoptionism, who denied the inherent and eternal divinity of Jesus Christ, arguing that his status as Son of God was achieved through divine adoption at his baptism. The term is used strictly in ecclesiastical historiography to denote religious factions of antiquity and the early Middle Ages in conflict with trinitarian orthodoxy.
- Albertus Magnus — The historical Latin name of Saint Albert the Great (c. 1200–1280), a German Dominican friar, brilliant scholastic philosopher, theologian, polymath, and Doctor of the Church, recognized for introducing Aristotelian thought into medieval Western philosophy and for his pioneering scientific work in botany, zoology, and alchemy. He was the teacher of Thomas Aquinas and is considered the patron saint of scientists.
- Alim — A term borrowed from Arabic (ʿālim) via Ottoman Turkish channels, historically used within Islamic communities in Dobrogea and the Balkans to designate a scholar, theologian, or profound expert in sacred Quranic texts and Islamic jurisprudence. In old local dialects, the word also carried the figurative meaning of an extremely wise person, well-respected for his vast knowledge.
- Arminius — A proper historical name of classical origin borne by prominent figures, most notably: Arminius, the famous chieftain of the Germanic Cherusci tribe who defeated the Roman legions led by Varus at the Battle of the Teutoburg Forest (9 AD), becoming a national symbol of freedom; Jacobus Arminius, the 17th-century Dutch theologian whose thought gave rise to the theological movement called Arminianism.
- Augustine — A masculine given name of Latin origin, derived from 'Augustinus'. The name is globally famous due to Saint Augustine of Hippo (354-430), one of the most important theologians, philosophers, and fathers of the Christian Church. It also functions as a Romanian toponym for a municipality in Brașov County.