No dilemma at all. Rest players who need it for all three cups, and concentrate on the league.
What we shouldn't do (and indeed, can't do in the case of the JPT) is play a completely different 11. Just rest those who need it.
The point is that the Saints Trust was an organisation for fans to give money to so they could amass as many shares as possible and have more of a say on the running of the club. Since admin there are NO shares, so there is NO point in the Saints Trust, they have NO power at all and have NO right to declare they speak for the people who paid for long since void memberships.