Sentence:  ... that would mean he would be irrecoverably Afrikaans and would have to spend years in the <WSD>purgatory</WSD> of an Afrikaans boarding-school, as all farm-children do, before he would be allowed to come back to the farm. 
Meaning of the word marked with <WSD> tags:  Any situation where suffering is endured, "particularly" as part of a process of redemption.