When a massive earthquake hit the impoverished nation of Haiti some time back, the response to the crisis was on a global scale. Relief poured in from governments, corporations, and individuals, reaching out to a country that would have no way of giving back.
While that is a big example, many people give of themselves to others on a daily basis. Because of the freedom we have in Christ, Paul says we can use that freedom to "serve one another. For the whole law is fulfilled in one word: 'You shall love your neighbor as yourself' " (vv. 13-14).