one way
group on memberid
create a "flag" formula to count rows of "H"
if table.field='H" then 1
SUm this at the memberid footer level
SUM(@flag,memberid)
anywhere this value is >0 you have amember that has at least one "H" row
use the sum to do a group selection
opent he select expert, expand it to the formula
change the toggle to use group selection
add your formula here
SUM(@flag,memberid)>0