Start with the obvious, which is to lead. The 19/1 should be a leader; the karmic debt is not asking it to give up the role, just to clean up the way it is held. The cleaner version looks like this: clear about what you are responsible for, generous about credit, willing to do the boring administrative weight that nobody else wants to carry, slow to anger when the team disappoints you.
Then the harder part, which is to develop a real tolerance for being alone. The 19/1 often finds that key support disappears at key moments. The tradition reads this as the karma; the practical reading is that authority is solitary by nature. A 19/1 who has built one or two real friendships outside the power structure tends to do well. The friendships have to be with people who are not impressed by you. That is the test.
And ask for help, on purpose, before you need it. The 19/1 instinct is to ask only in the emergency, which is the worst time to ask anyone for anything. Build the habit of asking small — a question, an introduction, a second opinion — when the stakes are low. The muscle is the same one you will need later.
Read the 19/1 not as a sentence to repeat the old mistake but as an invitation to lead differently. The reward of doing this well is the kind of authority that does not need to be defended — because the people around you actually trust you with it.