Saturn is considered the most powerful planet in Vedic astrology as it governs discipline, karma and hard work. When placed in the 5th house for lagna Aquarius, Saturn is in a friendly sign state. This placement can have a significant impact on an individual's life, both positively and negatively.
Saturn as a house lord takes care of houses 1 and 12 which are related to personal identity and spirituality respectively. The positive side of this placement is that it enhances the native's spiritual inclination and devotion towards spirituality. They might take up disciplines such as meditation, yoga or pursue careers related to religion or philosophy.
However, since Saturn represents hard work and discipline, it can also make the individual inclined towards being too critical about oneself especially when it comes to their own career progress. They might struggle with their career path initially, but with consistent effort and dedication they will eventually see success.
As Saturn is the natural karaka of houses 8, 10 and 12, it takes care of these karaka houses which further impacts an individual's life in various ways. In such a placement, the native will be deeply convinced to do things by themselves without relying much on external help even if that causes them more hardship than required. It makes them highly self-sufficient individuals but also leads them towards eventual solitude.
The placement of Saturn in the 5th House also brings an aspect on several other houses - i.e., 7th House (related to relationships), 11th House (related to gains) and the second House (related to finances). An aspecting planet casts its influence on that particular house from where it sits.
When Saturn aspects the seventh house, relationships with spouse or partners can be worked out with patience and humility even if there are issues present. However one should note that such natives should avoid getting into partnerships easily due to their tendency towards isolationism lest they realise too late that they need someone as a partner.
The aspect of Saturn on the 11th House indicates that gains of various kinds will be slow but steady for such natives. Their hard work and dedication would pay off eventually, but they must be prepared to wait it out.
Saturn aspecting the second house denotes that individuals with this placement should be mindful of expenses and resource management. Their financial progress might be slow initially, but with time their savings will grow.
Overall, the placement of Saturn in the 5th House for lagna Aquarius is both beneficial and challenging. It encourages an individual towards higher spiritual goals and enhances self-discipline, which brings success in life eventually but could face hurdles along the way due to their tendency towards isolationism. The native should focus on balancing solitude with healthy relationships while pursuing their goals with patience and perseverance.