Frontmatter -- Contents -- Acknowledgements -- Chapter 1. Introduction: An Indexical Approach to Language and Language Socialization -- Chapter 2. Social Meaning and Indexicality -- Chapter 3. Functions of the Masu Form -- Chapter 4. Identity Construction Through Use of the Masu Form: JFL Learners and Host Families -- Chapter 5. Marked and Unmarked Uses of the Masu Form in the Homestay Context -- Chapter 6. Explicit Language Socialization: Socialization to Use Polite Language -- Chapter 7. Implications of the Study for L2 Pragmatics and Pedagogy -- Chapter 8. Conclusion -- Appendix 1 -- Appendix 2 -- References -- Index