A ritualist?
A person who performs rituals is commonly referred to as a "ritual practitioner" or a "ritualist." They are typically knowledgeable in the specific customs, procedures, and symbolism of the rituals they perform.
Priest
An antonym for the word "rituals" could be "spontaneity" or "improvisation."
The table in the sanctuary is called the altar. It is typically where religious rituals or ceremonies, such as the Eucharist, are performed in Christian churches.
A person is considered an employee when they work for an employer under a contract of service, where the employer has control over the work the individual performs, provides tools and equipment, and has the ability to terminate the relationship.
The Yajur Veda predominantly deals with sacrifices and rituals. It contains procedures and formulas that are used in performing various rituals and ceremonies.
Periodic rituals refer to any repetitive ceremonies, practices, or traditions that are carried out on a regular basis, such as daily prayers, weekly family meals, or annual celebrations. These rituals often serve to create a sense of structure, cohesion, and continuity within a community and can vary greatly in their significance and purpose.
a priest
The person is called an archaeologist
A person who writes and performs poetry is generally known as a poet, but might also be referred to as a bard or lyricist.
priest
The person who performs the execution is called the executioner.
A person who performs
The person is a surgeon.
The person who performs the ceremony is called the officiant.
Colonoscopies may be performed by a GI specialist and may also be done by a general surgeon.
The person who performs the kosher slaughter itself is called a 'shochet'. The person who inspects food to confirm it meets kosher requirements is called a 'mashgiach'.
They are usually called tight rope walkers or acrobats.
You either call him a trapeze artist or a trapezeist.