Advice for dealing with a bait and switch job after making the big move

We moved around 7 months ago for a new role abroad, giving me the chance to specialise and develop new skills in my field.

The job I am doing, while in my field, is not the job I signed on for or the job that was sold to me throughout the application process.

I've uprooted my whole life and family for this opportunity and 7 months in, I'm incredibly miserable and seriously regretting my choice. Socially, we've struggled to really find our people and feel like our quality of life overall has taken a massive dip - quite the opposite of what we wanted.

Has anyone else been in a situation like this? Do I stick it out for the length of my contract and then assess options? Or do I bite the bullet and terminate my contract early?

We sold everything to make the move, so there is no base or job to return to in our home country. However, our loved ones are there and in time, I'm sure we can rebuild our lives.