This is the 943rd most frequent Dutch word.
hiervoor
"Hiervoor" means "for this" or "before this," depending on context.
Here, "hiervoor" means "of this" and is used to indicate the subject of fear, likely mentioned earlier.
Hiervoor hoef je niet bang te zijn.
You don't have to be afraid of this.
In this sentence, "hiervoor" means "for this" and is related to the reason or purpose of studying, which has likely been mentioned.
Ik heb ooit hiervoor gestudeerd.
I once studied for this.
In this context, "hiervoor" means "for this" and refers to a previously mentioned issue or problem.