Stockpiled is the past participle.
I dunno man, maybe Gregor hates his job, maybe Gregor enjoys it? Where's the context in this question??
I'm sure it's not a run-on sentence and it's not a subject/verb agreement so its Either comma splice or sentence fragmant. I think its comma splice
Answer:
Depending on the culture and how they are taught to speak could affect their future opportunities.
