1. Robin wanted to cross the river but this stranger did not let him, they were fighting and Robin fell into the water.
2. This stranger helped him get out of the water. Robin wanted him to join him and his group.
3. The stranger couldn't join Robin and his people because he wanted to find Robin.
4. Robin introduced himself to him.
5. This stranger's name was John Lite because a criminal got a new surname.
6. One day Robin met the stranger in the forest.
Zdania po polsku trochę dziwnie ułożone, ale przetłumaczyłem wszystko według Twojej wersji. ;)