officiate

officiate (as something) (at something)

to serve as an official or moderator at some event. They asked me to officiate as a judge at the contest. Laura will officiate as parade marshal.

Name	Pronounced	Usage
Anand	-	Indian, Hindi, Marathi, Tamil, Telugu, Malayalam, Kannada, Gujarati, Bengali
Jimena	hee-ME-nah	Spanish
Theotimus	-	Ancient Greek (Latinized)
ĐUro	JOO-ro	Croatian, Serbian
VoldemĀRs	-	Latvian
Sabellius	-	Late Roman