For an author’s profile link, use
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1 |
bp_core_get_user_domain( $user_id ) |
to get the URL, and
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bp_core_get_userlink( $user_id ) |
to get an HTML link element, including display name.
For the xprofile data, use
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xprofile_get_field_data( $field, $user_id ) |
$field can be either the name of the field (like ‘Biography’) or the numerical field id.