jargonizer
/ˈdʒɑrɡənaɪzər/Definitions
1. noun
A person who uses or promotes jargon, often in an excessive or pretentious manner.
“The marketing team’s jargonizer confused the clients with their technical terms.”
2. verb
To use or introduce jargon into a conversation or text.
“The writer tried to jargonize the scientific concept, but ended up alienating the readers.”