Rakgadi, nomdodi, sister-in-law from the husband’s side. She called different things in different cultures, but the one thing that they all have in common is just how powerful she can be in the family.
She’s often seen as tough, strong and unyielding in certain circumstances.
Family gatherings don’t start unless she’s there, and if she’s on your side as a bride, there are better chances of a smooth transition into the new family.