If this question is asking what I think it's asking, the answer is Puberty or Pubescence.
Irina handles money in a casino: Cashier
Stanley operates a ride at a theme park: amusement attendant
Michelle helps people exercise at a gym:Fitness Trainer
Jamie plays baseball on a nationally know team: Baseball Player?
Nguyen teaches are classes: Art teacher?
Answer:
federal aid to the U.S. Farm Belt surges, a fraction of farmers are reaping a big portion of the government largess.
Explanation: