Questions & Answers about Die roeteerder is verbind.
Roeteerder means router.
It is a standard Afrikaans word, especially in technical or formal usage. It is built from roeteer (to route) plus -der/-erder, which makes an agent noun, like something that does the routing.
In everyday speech, some speakers may also use the English loanword router, especially in IT contexts, but roeteerder is perfectly good Afrikaans.