One thing to consider is that the education system and culture in east asia is highly competitive. the people who migrate from that region are usually the most competitive. Having lived there I can see it instils a certain bitterness when the outcomes aren't achieved. But on the flipside it also instills a certain arrogance/disdain toward people who perceived "below".
Jamesy shouldn't be a threat to this individual but I am beginning to to see this dude might potentially gaslight Jamesy which it's up to Jamesy to assert himself. Being assertive and standing up for yourself is an important trait to develop.