A cursory reading of even a poor translation of the Qur’an would reveal that Islam places the sanctity of human life at the utmost of importance:
And do not take any human being’s life – [the life] which God has willed to be sacred – otherwise than in [the pursuit] of justice… (17:33)
And do not kill yourselves, for God has been merciful to you. (4:29)
Furthermore, the freedom to choose one’s own spiritual path is tantamount in the Qur’an; one only has to look and it would not be hard to find
There’s a lot more, so read the rest here.