Liturgist (noun)

1. A specialist in liturgy, the form and manner of conducting religious services.
2. A scholar who studies the history and theology of religious worship.
3. An expert in the formal and ceremonial aspects of religious worship.
4. A practitioner of liturgy, especially one who leads religious services.

Origin:

Early 17th century: from medieval latin liturgista, from greek leitourgos 'public servant, worship leader' + -ist.

Examples:

1. The liturgist was well-versed in the history and theology of religious worship.
2. The liturgist was responsible for the planning and execution of the religious services.
3. The liturgist was consulted for guidance on the correct forms of worship.
4. The liturgist had a deep understanding of the symbolism and meaning behind the rituals of worship.
5. The liturgist was highly respected for his expertise in the formal and ceremonial aspects of religious worship.