forthcomer
/ˈfɔːrθkʌmər/Definitions
1. noun
A person or thing expected to arrive or appear soon; a coming person or thing.
“She is considered a leading forthcomer in the field of quantum physics.”
2. noun
Something that is expected to happen or be done soon; a coming event or action.
“The new tax reform is a significant forthcomer in the government’s agenda.”