Cheater
A person who leaves a country to go live permanently in another is called an emmigrant,
Such a person could be said to be defeated.
you call the first person you wanted to call and then press flash and then called the second person and then press another flash and there you go , a three way call.
Because they are dating one person then go behind there back with another one that is why we call them cheaters.
Go to the service, you are respecting the person who died, family is another issue that you can deal with (or not) on another occasion.
they travel to another
You gain nothing and lose energy trying to figure out mean words to call another person. Let it go! People who are nasty to you will hang themselves with their own rope. Walk away and be a bigger person than the person you are angry with.
Leaving their country to go to another
I would call such a person inhospitable.
No. An immigrant is arriving into a country from another one and an emigrant is leaving their country to go to another one. So a person can be an emigrant when they leave their own country and an immigrant when they arrive in the new country.
ummm as a parent sibling or person this is the sickest thing you can do is your own kid ...physically go ring the door bell now and get the person in person in the flesh right now asap today
Another phrase for "go-to person" could be "trusted resource" or "reliable expert."