You are working with a client who has low vision and is having difficulty accessing a website to enroll in a program for job training. The site is not accessible for individuals who have vision impairments. The job training agency has told the client that is the only way to sign up for the program. You are concerned about discrimination and lack of access and decide to work with the client on advocacy. Which of the following values and its related principles in the NASW Code of Ethics best describes your actions in this situation? service, important human relationship, dignity worth of person, or social justice