Board Thread:Episode Discussions/@comment-1018594-20170216115316/@comment-1783334-20170216182139

Yamato's job is to keep an ey eon Orochimaru but not make contact with him. In other words, he's making sure Orochimaru does not pose a threat, but at the same time does not interfere with his day to day life. At least that's how I'm making sense of it.