Humanity of watch man

Last week we are going for a relation marriage after finishing reception we are going to our rooms at 9.30 after going to room there is no water and i think we want water for our father because he is a heart patient and he taking tablets then i call my brother to get water from reception place he tells no water in that place then i go out for buy water bottle there is no shops in that place then i ask watchman for water he tells buy it in near shops and i say all closed its ok ill manage it then i go for a certain distance he calls me wait in this place i will go and get water of two bottles i am waiting on that place and he comes give bottle then my brother called i get water wait on the outside then i go to room give tablets to my father and tell to another brother to take that water next day morning i am going to give bottle and say thanks watchman is not there then i ask a man on place he tells leave the bottles on front of entrance they will take then i go to attend marriage after marriage i think my brother get water because for our father the watchman did not see me before that then why help me then god show me a humanity