Requesting a chart type that represents tree-like (hierarchal/parent-child) relationships, otherwise called an "org chart".

Here's a stack overflow question and answer that shows a sample of a mongo aggregation that might generate the kind of data that would feed this kind of chart:

https://stackoverflow.com/questions/65139097/make-node-tree-with-recursive-table-with-express-and-mongo/65166480#65166480

Here are a few useful resources describing visual expression for this kind of chart type:

https://en.wikipedia.org/wiki/Organizational_chart
https://www.canva.com/graphs/organization-charts/
https://www.smartdraw.com/organizational-chart/
https://asana.com/resources/organizational-chart