dumper/dumpee
dumper- one who dumps their partner in a break-up
dumpee- one who gets dumped by their partner in a break-up
dumpee- one who gets dumped by their partner in a break-up
dumper/dumpee: The bad news about being the dumper is that you need to be certain it's over before pulling the plug / As the dumpee, you get lots of attention and have every excuse to feel sorry for yourself.