When Moon is placed in the 7th House for lagna Sagittarius, it creates an interesting dynamic between the intellect and emotions. Moon represents our inner feelings and emotions, while the 7th House deals with partnerships and relationships. This placement suggests that natives of Sagittarius Lagna may have a hard time finding balance between their intellectual pursuits and romantic relationships.
Since Moon is in its enemy sign state here, it can create some challenges in terms of emotional stability. Natives with this placement may find it difficult to regulate their emotions with their rational thinking process. They are likely to be sensitive individuals which can sometimes lead to mood fluctuations and anxiety.
As Moon is also Lord of Houses 8, it takes care of its own houses. This suggests that natives would experience a strong desire for transformational experiences and seek changes in their life path. They might want to unravel the mysteries of life and search for new insights into themselves and others.
Moon is natural karaka of Houses 4, indicating that individuals with this placement are likely to have close connections with home environments amongst other things related to the said house. It highlights the importance of family, roots, traditions, comfort, and emotional security in their lives.
The placement of Moon also indicates that natives value harmony in all types of partnerships they enter into - work or personal. However, this devotion to partnership might create vulnerabilities at times when dealing with deceitful people or toxic relationships. Consequently, those around them are well-advised not to take their loyalty for granted as such situations may trigger erratic outbursts unexpectedly from natives with this placement.
Lastly, Moon aspecting House 1 implies that native's identity might be influenced by changing moods or varying emotional states which may make them appear somewhat unstable considering House 1 represents one’s own personality or individuality itself.
In summary, when Moon is placed within Seventh House for lagna Sagittarius it indicates an individual with highly-developed intuition and emotions. However, with the unpredictable and fluctuating nature of Moon in its enemy sign state, such individuals may struggle to balance their intellect against their emotional tendencies. The need for constant growth and regeneration as per the influences of Lordship House 8 suggests that natives with this placement might experience life-changing events. Additionally, since they place significant importance on their roots, comfort and traditional values depicted by House 4 one's home-environment holds deeper prominence in the native's life.
However, it is important to note some caution when dealing with people with this placement as their loyalty can quickly shift or change when such members feel betrayed, left out or ignored. They probably see partnerships as an essential aspect of their lives but must be mindful not to neglect other areas of growth due to over-focusing on romantic relationships. Finally, while emotionally responsive also means they are likely to have difficulty maintaining a stable personal identity when facing shifting moods according to what is suggested by the effect on House 1 for Sagittarius ascendants.