Horoscope of swami Vivekananda
Swami Vivekananda was a Sagittarius ascendant. His moon rashi was Virgo.
Sun in lagna indicates, kingly qualities of guru because his lagna lord is Jupiter. Here sun also the 9th lord, again the house of dharma and religion.
Coming to his speech, it's very attractive, Venus and mercury conjoined in 2nd gives that even the Lord of 2nd house conjoined with moon. All these energies made him excellent preacher who could attract crowd with his speech. Even Jupiter in Venus House indicates dharma and religion. We all know that how he spreader Hinduism.
Saturn and moon conjunction gives patience and interest of meditation and spirituality. Jupiter in 11th House indicates, his social circle. He associated with many great gurus.
In navamsa, his lagna was Scorpio, Jupiter in lagna. This indicates very deep religious and knowledge of dharma.
Rahu in 12th gave him excellent spirituality, because where ever rahu placed it gives over obsession towards that house. Here 12th house is higher spiritual house. Even the relation of Jupiter and ketu.