Can he be a muslim?

If it is for justice yes

I think you mean what is a prayer mat called in Arabic. It is called: SAJJAADAH sajjadah

80-85% Sunni Muslims 10% Shi'ite Muslims 5-10% Other Muslims the figures may vary a bit. but these are pretty close to actual figures

yes...musims do eat w/ non Muslims..but Muslims don't eat pork..that's it..i tinnk...