A person standing in front of a chalkboard (aka blackboard) with the intention of teaching a class. Often shown holding a ? Closed Book or a pointer.
The Teacher emoji is a ZWJ sequence combining ? Person, Zero Width Joiner and ? School. These display as a single emoji on supported platforms.
Teacher was added to Emoji 12.1 in 2019.
U+1F9D1
U+200D
U+1F3EB
?? Adult
?? Zero width joiner
?? School