Are there any other precepts that laypeople can observe? If so, what are those?
There are more precepts that a layperson could observe. Those are the “Aajeevaka” eight precepts, “Upōsatha” eight precepts, and ten precepts for laypeople. The Aajeevaka eight precepts: Refrain from killing beings. Refrain from stealing belongings of other people. Refrain from sexual misconducts. Refrain from lying. Refrain from divulge secrets. Refrain from speaking harsh/rude words. Refrain from speaking meaningless words. Refrain from unrighteous living. Upōsatha (holy) eight precepts: Refrain from killing beings. Refrain from stealing belongings of other people. Refrain from all sexual activities. Refrain from lying. Refrain from using alcohols and misusing drugs. Refrain from eating food after midday (prevent taking [...]