IPA: /sæˈsɜːrdəʊtəlɪst/
KK: /sæˈsɜrdəˌtɔlɪst/
A person who believes in or supports the idea that priests have a special role in mediating between God and people.
The sacerdotalist argued that only ordained priests should perform certain religious rituals.
Sacerdotalist → It is formed from "sacerdos" (from Latin, meaning priest) and "-alist" (a suffix indicating a person who practices or advocates). The word refers to a person who advocates for or practices the priestly functions or duties.
Think of a 'priest' ('sacerdos') and remember that a 'sacerdotalist' is someone who practices or supports priestly roles.