In all honesty, if SE did change the name, Support just seems the obvious choice, hybrid is a little obscure and vague, tactician just doesn't really make sense in the light of what we currently have.
To me, support implies that we fill in the gaps. If the group needs something, we are there to plug that gap.
Simply put, if the group needs healing, we heal them. If the group needs DPS, we help add our own DPS into the mix.