Building a well on behalf of Mohamed Osman

On the 26th of June my brother Mohamed was stabbed which resulted in his death.  He was only 35 years old leaving no wife nor kids behind 

inna lillahi wa inna ilayhi rajioon. May Allah grant him the highest levels of Jennah.I would like anyone to help as as much as they can so that I can build him a well in order to benefit him in the grave In sha Allah