Run for your life, until you reach the water, then try to swim, knowing that land is too far away to reach and that you will die drowning.
Pray, but that's not going to get you out of here.
Try to dig a big ditch for the lava to go in.
Dig a grave and cover yourself up with dirt. Dying by suffocation is bound to be less painful than being burned alive.
Domesticate and train that big bird flying above you to fly you out of here.
Tie the sea turtles together and build a raft.
There are no trees on the island, but you build a raft out of small pebbles.
Decide that it is your one in a lifetime chance to look inside a bubbling and active volcano, so you go take a look.