Analysis of information sources in references of the Wikipedia article "하레디파" in Korean language version.
Haredim regard themselves as the most authentic custodians of Jewish religious law and tradition which, in their opinion, is binding and unchangeable. They consider all other expressions of Judaism, including Modern Orthodoxy, as deviations from God's laws.
Mainstream Jews have - until recently - maintained the impression that the ultraorthodox are the 'real' Jews.
Given the high fertility and statistical insignificance of intermarriage among ultra-Orthodox haredim in contrast to most of the rest of the Jews...
The number of baalei teshuvah, "penitents" from secular backgrounds who become Ultraorthodox Jews, amounts to a few thousand, mainly between the years 1975-87, and is modest compared with the natural growth of the haredim; but the phenomenon has generated great interest in Israel.