How to Stop a Person Who Got My IP from Instagram: What Can I Do?

Thanks so much, everyone! I just downloaded NordVPN and set it up—super easy, and I feel way better already. I also made my Instagram private and blocked the person.

Quick question though: if I reset my router, will that give me a new IP even without the VPN? Just curious if it’s worth doing as an extra step.

Thanks again for all the advice—y’all are lifesavers!