What is the IUPAC name of the given compound?

2-Hydroxyethanamine 1-Aminoethan-2-ol 2-Aminoethanol Ethane-2-hydroxy-1-amine

2-Aminoethanol

In case of multiple functional groups, the amino group is considered as substituent and the other is regarded as the principle functional group and is given the lower carbon position. In this case, the compound is named as a derivative of ethanol.