Scrabblism

The religion of playing scrabble at least once a week with strict dogma.
1)Black market trading is allowed.
2)Teamwork is mandatory.
3)Claiming a spot is legitimate and any person persecuting a claimer shall be persecuted.
4)A person with the initial H shall not preceed a person with the initial I.
5)A person with the initial I must start with all vowels.
6) A person with the initial I cannot do slides (7 letter word).