Once you set a syncing passphrase, you have to first sign in with your Google account password and then enter the passphrase to set up new synced devices. This adds an important extra layer of security. To set this up, open Settings, click Advanced sync settings, and select Choose my own passphrase.
Landed gentry is a largely historical privileged British social class consisting of land owners who could live entirely from rental income.
The British upper classes consist of two sometimes overlapping entities, the peerage and landed gentry; any male member of either may regard himself as a gentleman, in a special sense mutually understood between hereditary members of the class, which will often exclude life peers.