Saturn is intensely inimical towards Mars, the ruling planet of Aries. Moreover, Saturn is debilitated in Aries, which further makes this position unfavorable for the native. The house where such a placement falls is affected the most, especially if it is the 7th house since it relates to marriage and partner and Mars is a significator of passion. In Vedic Astrology, it also relates to auspicious occasions especially marriage. People having Saturn in Aries in the 7th house either face delay in marriage or problems in their marital life. This position of Saturn also increases aggression in the behavior.
People with Saturn in Aries will be idiotic if other planetary placements are not modifying this effect. They will be of roaming nature ,changing decisions frequently or not able decide on important issues. They lack Sankalpa. They may also be manipulative. They will be with less friends and more acquaintances.
Natives with this position struggle to enjoy contentment and satisfaction in their relationships. They face a lot of obstacles in the progress. This gives them a lot of anxiety and stress in life. While they have the ability to lead, they suffer a lot in leadership positions. Others often misunderstand them. They are hard working but they can be mischievous in their ways. They also indulge in illicit activities and can be sinful and jealous. They are not that reliable either. They are often blamed for their own wrongdoings.
People with Saturn in Aries will have to struggle more and more harder to achieve anything. Still some high achievers will have this placement of Saturn in their horoscopes. This only shows they have worked very hard to achieve success.