This community service activity aimed to socialize the correct (standard) use of the Indonesian language, thereby fostering a sense of love for the country among students at SMA Negeri 1 Cinangka, Serang Regency, Banten. The goal of this activity was to instill early awareness among students to use the Indonesian language according to standardized spelling with deep love for the nation, without feeling ashamed, outdated, or merely using it as a form of identity as Indonesian citizens. It sought to rekindle a sense of nationalism in the students of SMAN 1 Cinangka by encouraging them to love and use the Indonesian language in accordance with linguistic norms.The method used in the socialization activity involved preparation, implementation, evaluation, and reporting. The socialization event was held at SMA Negeri 1 Cinangka, Cinangka Village, Serang Regency, on Monday, August 26, 2024. The participants of this activity included 207 students from SMA Negeri 1 Cinangka and the KKM (Kuliah Kerja Mahasiswa) group 38 of Cinangka. The speakers were lecturers from Bina Bangsa University with a background in the field of linguistics. The results of this activity produced an understanding and awareness among students to use the Indonesian language according to standardized spelling with deep love for the nation, without feeling ashamed, outdated, or merely using it as a form of identity as Indonesian citizens. This socialization activity is expected to rekindle a sense of nationalism in the students of SMAN 1 Cinangka, encouraging them to love and use the Indonesian language in accordance with linguistic norms.

Tennis court is a sport that is very popular with the public. Usually, this activity aims to increase achievement and exercise for fitness and health. Endurance and strength are very important components of physical condition. In tennis, athletes often experience musculoskeletal injuries, especially in the extremities. Observations on the field show that one of the injuries that tennis athletes often experience is an ankle sprain. Ankle sprains that occur in tennis players usually occur due to a sudden turn in the ankle with a strong force that causes a tear in the ligament. In an effort to prevent ankle sprains in tennis athletes at UKM Tennis at the Muhammadiyah University of Surakarta, it is necessary to educate the athletes about proper handling of injuries and prevention of recurrence of injuries. Providing education is carried out through counseling methods and using leaflet media. To see the level of success of implementing counseling regarding handling ankle sprain injuries with the exercise therapy method for field tennis athletes at UKM Tennis, Muhammadiyah University of Surakarta, pre-tests and post-tests were given via the Google form before and after the presentation of the material. From the data obtained, the provision of education through counseling and leaflet media has an influence on the knowledge of athletes, although not too significant. The obstacle in implementing this community is the limited time given from the target community.